MPX2577_synpic603: Multiple and bilateral extensive plexiform neurofibromas involving virtually all nerve roots, including both of the sacral plexi. There is massive enlargement of both sciatic nerves.

MPX2577_synpic603: Multiple and bilateral extensive plexiform neurofibromas involving virtually all nerve roots, including both of the sacral plexi. There is massive enlargement of both sciatic nerves.